5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.008 Low
EPSS
Percentile
82.1%
Unbound before 1.4.13p2 attempts to free unallocated memory during
processing of duplicate CNAME records in a signed zone, which allows remote
DNS servers to cause a denial of service (daemon crash) via a crafted
response.